/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --bg3: #1a1a24;
  --border: rgba(255,255,255,0.07);
  --text: #e8e8f0;
  --muted: #8888a0;
  --accent: #7c6af7;
  --accent2: #5eead4;
  --accent-glow: rgba(124,106,247,0.25);
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'Fira Code', monospace;
  --radius: 12px;
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 3px; }

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h3 { font-size: 1.15rem; font-weight: 600; }
p  { color: var(--muted); }

.accent { color: var(--accent); }
.dot    { color: var(--accent); }

/* ===== NAV ===== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav-inner {
  max-width: 1160px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem; height: 64px;
}
.logo { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.05em; }
.nav-links { list-style: none; display: flex; gap: 2rem; align-items: center; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--muted); transition: color var(--transition); }
.nav-links a:hover { color: var(--text); }
.btn-nav {
  background: var(--accent); color: #fff !important;
  padding: 0.45rem 1.1rem; border-radius: 8px;
  font-weight: 600 !important; font-size: 0.85rem !important;
  transition: opacity var(--transition) !important;
}
.btn-nav:hover { opacity: 0.85; }
.lang-switcher {
  display: flex; gap: 0.2rem; align-items: center; margin-left: 0.75rem;
}
.lang-btn {
  font-family: var(--mono); font-size: 0.7rem; font-weight: 700;
  padding: 0.2rem 0.45rem; border-radius: 5px; letter-spacing: 0.04em;
  color: var(--muted); background: none; border: 1px solid transparent;
  cursor: pointer; transition: all var(--transition);
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active {
  color: var(--accent);
  border-color: rgba(124,106,247,0.35);
  background: rgba(124,106,247,0.08);
}
.mob-lang {
  display: flex; gap: 0.5rem; padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
}
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.burger span { width: 22px; height: 2px; background: var(--muted); border-radius: 2px; transition: var(--transition); display: block; }
.mobile-menu {
  display: none; flex-direction: column; gap: 0;
  border-top: 1px solid var(--border); background: var(--bg);
}
.mob-link { padding: 1rem 2rem; font-size: 1rem; font-weight: 500; color: var(--muted); border-bottom: 1px solid var(--border); transition: color var(--transition); }
.mob-link:hover, .mob-link.highlight { color: var(--accent); }
.mobile-menu.open { display: flex; }

/* ===== SHARED SECTION STYLES ===== */
section { padding: 7rem 0; }
.section-inner { max-width: 1160px; margin: 0 auto; padding: 0 2rem; }
.section-label { font-family: var(--mono); font-size: 0.8rem; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1rem; }
.section-sub { font-size: 1rem; color: var(--muted); max-width: 560px; margin: 0.75rem 0 3rem; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 0.75rem 1.75rem; border-radius: 10px;
  font-weight: 600; font-size: 0.95rem;
  border: none; cursor: pointer; transition: all var(--transition);
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow); }
.btn-ghost {
  display: inline-block; color: var(--muted);
  padding: 0.75rem 1.75rem; border-radius: 10px;
  font-weight: 600; font-size: 0.95rem;
  border: 1px solid var(--border); transition: all var(--transition);
}
.btn-ghost:hover { color: var(--text); border-color: rgba(255,255,255,0.2); }
.full-width { width: 100%; text-align: center; }

/* ===== HERO ===== */
#hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 0; position: relative; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 30% 50%, rgba(124,106,247,0.12), transparent);
}
#hero .section-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 4rem; width: 100%; max-width: 1160px; margin: 0 auto;
  padding: 7rem 2rem 4rem; z-index: 1; position: relative;
}
.hero-content { flex: 1; max-width: 600px; }
.hero-tag {
  display: inline-block; font-family: var(--mono); font-size: 0.78rem;
  color: var(--accent); background: rgba(124,106,247,0.1);
  border: 1px solid rgba(124,106,247,0.25); border-radius: 100px;
  padding: 0.35rem 1rem; margin-bottom: 1.5rem; letter-spacing: 0.05em;
}
.hero-sub { font-size: 1.1rem; color: var(--muted); max-width: 480px; margin: 1.5rem 0 2rem; }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 2.5rem; margin-top: 3.5rem; padding-top: 2.5rem; border-top: 1px solid var(--border); }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 1.8rem; font-weight: 700; letter-spacing: -0.04em; color: var(--text); }
.stat-label { font-size: 0.78rem; color: var(--muted); margin-top: 0.1rem; }

/* CODE WINDOW */
.hero-code { flex-shrink: 0; }
.code-window {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; width: 320px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px var(--border);
}
.code-bar {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.75rem 1rem; background: var(--bg3); border-bottom: 1px solid var(--border);
}
.code-bar .dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; background: var(--muted); }
.code-bar .dot.red    { background: #ff5f57; }
.code-bar .dot.yellow { background: #febc2e; }
.code-bar .dot.green  { background: #28c840; }
.code-title { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); margin-left: auto; }
.code-window pre { padding: 1.25rem 1.5rem; font-family: var(--mono); font-size: 0.82rem; line-height: 1.9; }
.c-keyword { color: #c792ea; }
.c-var     { color: #82aaff; }
.c-key     { color: var(--accent2); }
.c-string  { color: #c3e88d; }
.c-bool    { color: #f78c6c; }
.c-punctuation { color: var(--muted); }

/* ===== ABOUT ===== */
#about { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; margin-top: 3rem; align-items: start; }
.about-text p { margin-bottom: 1rem; font-size: 1rem; line-height: 1.8; }
.about-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.75rem; }
.pill {
  font-size: 0.78rem; font-weight: 500; font-family: var(--mono);
  padding: 0.3rem 0.8rem; border-radius: 6px;
  background: var(--bg3); border: 1px solid var(--border); color: var(--muted);
  transition: all var(--transition);
}
.pill:hover { border-color: var(--accent); color: var(--accent); }
.about-cards { display: flex; flex-direction: column; gap: 1.25rem; }
.about-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}
.about-card:hover { border-color: rgba(124,106,247,0.4); transform: translateX(4px); }
.card-icon { font-size: 1.4rem; margin-bottom: 0.75rem; }
.about-card h3 { margin-bottom: 0.4rem; font-size: 1rem; }
.about-card p  { font-size: 0.875rem; }

/* ===== SERVICES ===== */
#services { background: var(--bg); }
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.service-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  display: flex; flex-direction: column; gap: 0.75rem;
  position: relative; transition: all var(--transition);
}
.service-card:hover { border-color: rgba(124,106,247,0.4); transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.service-card.featured { border-color: rgba(124,106,247,0.5); background: linear-gradient(135deg, var(--bg2), rgba(124,106,247,0.05)); }
.service-badge {
  position: absolute; top: 1.25rem; right: 1.25rem;
  background: var(--accent); color: #fff;
  font-size: 0.68rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: 100px;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.service-icon { font-size: 2rem; }
.service-card h3 { font-size: 1.15rem; margin-top: 0.25rem; }
.service-card > p { font-size: 0.9rem; }
.service-list { list-style: none; margin-top: 0.25rem; }
.service-list li {
  font-size: 0.875rem; color: var(--muted); padding: 0.35rem 0;
  border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 0.5rem;
}
.service-list li:last-child { border-bottom: none; }
.service-list li::before { content: '—'; color: var(--accent); font-size: 0.7rem; flex-shrink: 0; }
.btn-service {
  display: inline-block; margin-top: 0.75rem; font-size: 0.85rem; font-weight: 600;
  color: var(--accent); border: 1px solid rgba(124,106,247,0.35); border-radius: 8px;
  padding: 0.55rem 1.25rem; align-self: flex-start;
  transition: all var(--transition);
}
.btn-service:hover { background: var(--accent); color: #fff; }

/* ===== BLOG ===== */
#blog { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.blog-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  display: flex; flex-direction: column; gap: 0.75rem;
  transition: all var(--transition);
}
.blog-card:hover { border-color: rgba(124,106,247,0.4); transform: translateY(-3px); }
.blog-card.big { grid-column: span 2; }
.blog-card.big h3 { font-size: 1.4rem; }
.blog-tag {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent); font-family: var(--mono);
}
.blog-card h3 { font-size: 1.05rem; color: var(--text); transition: color var(--transition); }
.blog-card:hover h3 { color: var(--accent); }
.blog-card > p { font-size: 0.88rem; flex: 1; }
.blog-meta { display: flex; gap: 1.5rem; margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--border); }
.blog-date, .blog-read { font-size: 0.78rem; color: var(--muted); font-family: var(--mono); }

/* ===== CONTACT ===== */
#contact { background: var(--bg); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 4rem; margin-top: 3rem; }
.contact-item { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.75rem; }
.contact-icon { font-size: 1.2rem; margin-top: 0.1rem; flex-shrink: 0; }
.contact-label { display: block; font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; margin-bottom: 0.2rem; font-family: var(--mono); }
.contact-value { font-size: 0.95rem; color: var(--text); font-weight: 500; transition: color var(--transition); }
a.contact-value:hover { color: var(--accent); }
.contact-value.plain { cursor: default; }
.social-row { display: flex; gap: 0.75rem; margin-top: 0.5rem; flex-wrap: wrap; }
.social-btn {
  font-size: 0.82rem; font-weight: 600; padding: 0.4rem 0.9rem;
  border: 1px solid var(--border); border-radius: 8px; color: var(--muted);
  transition: all var(--transition);
}
.social-btn:hover { border-color: var(--accent); color: var(--accent); }
.availability-badge {
  display: inline-flex; align-items: center; gap: 0.6rem;
  margin-top: 2rem; font-size: 0.82rem; font-weight: 500;
  padding: 0.5rem 1rem; border-radius: 100px;
  background: rgba(94,234,212,0.08); border: 1px solid rgba(94,234,212,0.2);
  color: var(--accent2);
}
.avail-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent2); flex-shrink: 0;
  box-shadow: 0 0 8px var(--accent2);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.3); }
}

/* FORM */
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.45rem; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--muted); letter-spacing: 0.03em; }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 10px;
  padding: 0.75rem 1rem; color: var(--text); font-family: var(--font); font-size: 0.9rem;
  outline: none; transition: border-color var(--transition);
  appearance: none; -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(136,136,160,0.5); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.78rem; color: var(--muted); text-align: center; }
.form-success {
  display: none; text-align: center; font-size: 0.9rem; font-weight: 600;
  color: var(--accent2); background: rgba(94,234,212,0.08);
  border: 1px solid rgba(94,234,212,0.25); border-radius: 10px;
  padding: 0.75rem; animation: fadeIn 0.4s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

/* ===== FOOTER ===== */
footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
}
.footer-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 2rem;
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 2rem; flex-wrap: wrap;
}
.footer-left p { font-size: 0.85rem; margin-top: 0.5rem; line-height: 1.6; }
.footer-left .logo { font-size: 1.5rem; }
.footer-links { display: flex; flex-direction: column; gap: 0.6rem; align-items: flex-end; }
.footer-links a { font-size: 0.85rem; color: var(--muted); transition: color var(--transition); }
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  max-width: 1160px; margin: 2rem auto 0;
  padding: 1.5rem 2rem 0; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem;
}
.footer-bottom span { font-size: 0.78rem; color: var(--muted); }

/* ===== HERO ADDITIONS ===== */
.hero-slogan {
  font-size: 0.85rem; color: var(--muted); font-style: italic;
  margin: -0.5rem 0 1rem; letter-spacing: 0.01em;
}
.hero-role {
  font-family: var(--mono); font-size: 0.88rem; color: var(--accent2);
  margin: 0.75rem 0 1.5rem; letter-spacing: 0.02em;
}
.hero-social { display: flex; gap: 0.75rem; margin-top: 1.5rem; flex-wrap: wrap; }

/* ===== EXPERIENCE ===== */
#experience { background: var(--bg); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.experience-list { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 3rem; }
.exp-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem 2rem;
  transition: border-color var(--transition), transform var(--transition);
}
.exp-card:hover { border-color: rgba(124,106,247,0.4); transform: translateX(4px); }
.exp-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem; margin-bottom: 0.75rem; flex-wrap: wrap;
}
.exp-role { font-size: 1.05rem; font-weight: 600; color: var(--text); display: block; }
.exp-company { font-size: 0.875rem; color: var(--accent); font-weight: 500; margin-top: 0.25rem; display: block; }
.exp-period { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); white-space: nowrap; padding-top: 0.25rem; flex-shrink: 0; }
.exp-card > p { font-size: 0.9rem; margin-bottom: 1rem; }
.exp-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* ===== PROJECTS ===== */
#projects { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.project-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  display: flex; flex-direction: column; gap: 0.75rem;
  transition: all var(--transition);
}
.project-card:hover { border-color: rgba(124,106,247,0.4); transform: translateY(-3px); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.project-name { font-size: 1.15rem; font-weight: 600; color: var(--text); }
.project-card > p { font-size: 0.9rem; flex: 1; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.project-links { display: flex; gap: 0.75rem; margin-top: 0.25rem; }
.project-link {
  font-size: 0.82rem; font-weight: 600; padding: 0.4rem 0.9rem;
  border: 1px solid var(--border); border-radius: 8px; color: var(--muted);
  transition: all var(--transition);
}
.project-link:hover { border-color: var(--accent); color: var(--accent); }
.project-link.live { background: var(--accent); color: #fff; border-color: var(--accent); }
.project-link.live:hover { opacity: 0.85; transform: none; }

/* ===== SKILLS ===== */
#skills { background: var(--bg); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 3rem; }
.skill-group h4 {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--muted); font-family: var(--mono);
  margin-bottom: 0.875rem;
}
.skill-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* ===== CONTACT SIMPLE ===== */
.contact-grid--simple { grid-template-columns: 1fr; max-width: 540px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  #hero .section-inner { flex-direction: column; padding-top: 8rem; }
  .hero-code { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card.big { grid-column: span 1; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .burger { display: flex; }
  .hero-stats { flex-wrap: wrap; gap: 1.5rem; }
  .skills-grid { grid-template-columns: 1fr; }
  .exp-header { flex-direction: column; gap: 0.25rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-links { align-items: flex-start; }
}